Yannick Nézet-Séguin announces his third season as music director of The Philadelphia Orchestra, a season of exhilarating live music, rich with incomparable and unforgettable musical experiences. The 40/40 Project, the Art of the Pipe Organ celebration featuring the Fred J. Cooper Memorial Organ, Bernstein’s MASS, and a St. Petersburg Festival are among the 14-15 season highlights.